ELECTRIC PRESS DEVICE

WIPO Patent Application WO/2006/018965

A1

An electric press device formed in such a structure that a differential key is circumferentially moved in place of such a structure in a publicly known document that a differential key is linearly moved so that a fixed point processing requiring accurate position control can be accurately performed for a long time. A slide plate (5) is vertically moved by a first motor (8) to process a work at a fixed position. A differential mechanism comprises a cylindrical nut lifting sleeve (15) having a spirally advancing sliding groove (21) in the outer peripheral surface thereof, a nut lifting plate (17) having a guiding engagement part (22) fitted to the sliding groove and allowed to slide therein, and a second motor (41) rotating the nut lifting plate (17).

Futamura, Shoji c/o HODEN SEIMITSU KAKO KENKYUSHO CO. (LTD. 3110, Iiyama, Atsugi-sh, Kanagawa 13, 24302, JP)
Unno, Keizo c/o HODEN SEIMITSU KAKO KENKYUSHO CO. (LTD. 3110, Iiyama, Atsugi-sh, Kanagawa 13, 24302, JP)

PCT/JP2005/014023

February 23, 2006

August 01, 2005

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HODEN SEIMITSU KAKO KENKYUSHO CO., LTD. (3110, Iiyama Atsugi-sh, Kanagawa 13, 24302, JP)
Futamura, Shoji c/o HODEN SEIMITSU KAKO KENKYUSHO CO. (LTD. 3110, Iiyama, Atsugi-sh, Kanagawa 13, 24302, JP)
Unno, Keizo c/o HODEN SEIMITSU KAKO KENKYUSHO CO. (LTD. 3110, Iiyama, Atsugi-sh, Kanagawa 13, 24302, JP)

B30B15/06; B30B1/18

Morita, Hiroshi (Kaimei Patent Office, Sankyo Central Plaza Building 5F, 11-8, Nishi-Nippori, 5-chom, Arakawa-ku Tokyo 13, 11600, JP)

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